The condition of rest nine victims of Narayanganj mosque explosion, who are undergoing treatment at Sheikh Hasina Burn and Plastic Surgery Institute, are critical.

They are battling for their lives at the intensive care unit (ICU) of the hospital, said physicians on Tuesday.

One injured patient left the hospital on Monday after recovery.

Meanwhile, authorities of Titas Gas Transmission and Distribution Company Ltd are continuing their digging work for the second consecutive day today around Paschim Talla Baitus Salat Jam-e Mosque to find out the gas pipe line.

Titas authorities said if they found the main gas line, it will be help in investigation behind the explosion.

A massive explosion at Baitus Salat Jam-e Mosque in Paschim Talla area of Fatulla under Narayanganj Sadar upazila on September 4 left 27 people dead till Monday.